Table 3.

Correlations between dietary intake, calculated as percentage of energy intake, and measures of disease activity among 66 patients with ankylosing spondylitis. Spearman rank correlation test.

Dietary Intake, %, median (IQR)Correlations to Measures of Disease Activity
BASDAIESRhsCRP
Fat36.0 (32.3–39.0)0.10−0.210.04
Protein14.7 (13.6–15.6)−0.17−0.060.01
Carbohydrate46.0 (42.1–49.6)−0.120.220.10
Saturated fatty acids14.4 (12.6–16.4)−0.010.000.10
Linoleic acid4.3 (3.4–5.3)0.11−0.24−0.10
Alpha-linolenic acid0.85 (0.68–1.03)0.06−0.220.00
Polyunsaturated fatty acids5.4 (4.3–6.5)0.10−0.25*−0.11
Long-chain omega-3 fatty acids0.13 (0.09–0.18)0.06−0.27*−0.17
  • * p < 0.05. BASDAI: Bath Ankylosing Spondylitis Disease Activity Index; ESR: erythrocyte sedimentation rate (Westergren); hsCRP: high-sensitivity C-reactive protein; IQR: interquartile range.